mustn是什么意思？

mustn

例句

• We mustn't catch the speaker up by so many questions. 我们不该用这么多问题来打断发言人。
• We mustn’t attempt unrestricted expansion regardless if it is within our capacity. 我们不能不顾自己的能力企图无限制地发展。
• You mustn’t ridicule unfortunate people. 你不该嘲笑不幸的人。
• That car is my property; you mustn't use it without my permission. 这辆车是我的财产, 你必须得到我的允许才能使用。
• I mustn't trouble if he doesn't come tonight. 今晚他若不来, 我就不用费心劳神了。
• You mustn't go across the road when the traffic light is red. 红灯时你不能过马路
• You mustn't run to your elder brother with every problem. 你千万不要一遇到难题就向哥哥求助。
• “May I take this magazine out?”“No, you mustn't.” “我可以把这本杂志借走吗?”“不, 不行。”
• We mustn't waste our time. 我们不应该浪费时间。
• You mustn't drive into a street with a “No Entry” sign. 你切勿把车驶进有“不得进入”标示的街道。